NOTE: An industrial accident during the manufacture of carbaryl in Bhopal, India on December 3, 1984 resulted in the leakage of an unknown amount of methyl isocyanate into the air. Over 2,000 people died and an estimated 200,000 were exposed to the vapor: Chem. Eng. News62, 6 (Dec. 10, 1984); ibid.63, 14 (Feb. 11, 1985). Series of articles on follow-up studies on survivors: Indian J. Exp. Biol.26, 149-176, 201-204 (1988). Review of human toxicity: P. S. Mehta et al.,J. Am. Med. Assoc.264, 2781-2787 (1990).